22277214 has 32 divisors (see below), whose sum is σ = 50027040. Its totient is φ = 7347456.

The previous prime is 22277209. The next prime is 22277221. The reversal of 22277214 is 41277222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112 + ... + 7364.

It is an arithmetic number, because the mean of its divisors is an integer number (1563345).

Almost surely, 2^22277214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22277214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25013520).

22277214 is an abundant number, since it is smaller than the sum of its proper divisors (27749826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22277214 is a wasteful number, since it uses less digits than its factorization.

22277214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4355 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 22277214 is about 4719.8743627347. The cubic root of 22277214 is about 281.3759400417.

The spelling of 22277214 in words is "twenty-two million, two hundred seventy-seven thousand, two hundred fourteen".